you will be using 'mixedmode'.
set the bot settings, first will be questing or gathering, the second will be dungeons or bg's. either/or. make sure to click the harvest boxes in the settings tab when using questbot or gatherbuddy and your toon will gather any node in your path.
remember there is risk with running dungeonbuddy or bgbuddy unattended. i run them while watching a movie on my second monitor. never again overnight, or unattended without logmeout running.
[logmeout] is a damn good plugin for running unattended, id recommend it to everyone.